High Anti Yellowing Silica Felcosil-800 in Silicone Rubber
Medium Partical Size: 10-14um and BET specific surface area 130-160 m²/g
Chemical Properties
White powder precipitated silica by selection of raw materials, with low iron raw materials. It can be dissolved by NaOH, HF. Other kinds of acid, water and organic solvents cannot dissolve the product. Resistance to high temperature, no combustion, good insulation, odourless properties.
Specifications
|
Items |
Specification |
|
Appearance |
White Powder |
|
BET specific surface area m2/g |
130-160 |
|
Salt As Na2SO4% Max |
0.7 |
|
SiO2 % Min |
98 |
|
Heating Loss at 105°C 2h % Max |
4.0-8.0 |
|
Ignition Loss at 1000°C h % Max |
7.0 |
|
pH Value(10% aqueous suspension) |
6.0-7.0 |
|
DBP absorption Value cm³/g |
2.0-2.7 |
| Total Fe mg/kg Max | 200 |
|
Medium Size(D50) µm |
10-14 |
Application
Felcosil-800 take better reinforcement effect on high temperature vulcanized silicone rubber. It has high transparent, good antiyellowing effect, and good processability properties.
SiO2, Precipitated Silica, White Carbon, Silicon Dioxide, Conventional Silica Powder, Amorphous Precipitated Silica, Micro pearl precipitated silica
